Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
cong thuoc » cong thuc, dong thuoc, long thuoc
thoi quan » thoi quen, thi quan, thong quan
thuoc moi » hoc moi, thuoc ma, thuoc tai
nhung tri » nhung bai, dung tri, nhung bi
quan van » quan va, quan luan, quan doan
hoc cong » hoc co, cac cong, hoc dung
tri luan » tri quan, thi luan, tri tuan
dan hoc » van hoc, dan toc, dai hoc
hoc mo » hoc moi, hoc mot, hoc mon

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thoi quan van. hoc cong thuoc moi ) or ( nhung tri luan van. hoc dan hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thoi quan van. hoc cong thuoc moi ) OR ( nhung tri luan van. hoc dan hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi quan van. hoc cong thuoc moi ) or ( nhung tri luan van. hoc dan hoc mo ))*.